1000V DC SPD Surge Protector for Solar PV Systems
Walax 1000V DC surge protection device for solar PV systems. Protects inverters and PV strings from lightning-induced surges, with Type 2 protection and DIN-rail mounting for combiner boxes and DC distribution.
- Factory-direct pricing · OEM/ODM branding · IEC/CE compliance
- Wholesale & project supply to Africa, SE Asia & the Middle East
1000V DC Rated
Purpose-built for PV string and array protection up to 1000V DC.
Type 2 Protection
Diverts switching and induced surges to protect inverters and DC equipment.
DIN-Rail Mount
Drops into PV combiner boxes and DC distribution cabinets.
Technical Specifications
Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.




| Standard | IEC 61643-31 · CE |
| Max continuous voltage (Uc) | 1000V DC |
| Max discharge current (Imax) | 40kA |
| Nominal discharge current (In) | 20kA |
| Voltage protection level (Up) | ≤ 3.8kV |
| Type | Type 2 |
| Poles | 2P / 3P (PV) |
| Mounting | 35mm DIN rail |
| Ambient temperature | -40°C to +80°C |
Where These Devices Install
Solar PV combiner boxes, DC distribution cabinets and inverter DC inputs. Protects PV strings and inverters from lightning-induced and switching surges.
Frequently Asked Questions
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Need 1000V DC SPD Solar PV Lightning Arrester Pricing?
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